Originally Posted by
calc_help123 A) Find the coordinates of the absolute maximum point for the curve
y=xe^(-kx) where k is a fixed positive number.Justify your answer
B) Write an equation for the set of absolute maximum points for the curves y=xe^(-kx) as k varies through positive values
Im not really sure where to start with this. It is a calc ab problem. I think i would start with the derivative which woule be -k x e^(-kx)+e^(-kx). Mr F says: No. You're missing the red x.
After that im not sure where to go